MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


MassLogger


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4
SHA3-384 hash: 4d23eb59366ff063bd02481656af412afda158bb5038688dfc737ffad0fb8f93eed6124efea0b5c940e5bce7b99705cd
SHA1 hash: bc89c09faa26ca0f12ff6fb08d6f8e4129f1a8cc
MD5 hash: c9c012589d85d3610541a5c7377d5ac9
humanhash: lemon-helium-sad-enemy
File name:TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:757'760 bytes
First seen:2025-01-14 13:12:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2YRxA4Y5lyA/BxSPCKn8QJFW7Rkw9OknmAhwXc3wx1h2zv6oAXNjQa:RRzn1JKmknmKwXcgB2zv1Al
TLSH T1C8F401593618D903C0D60BB05862C3F967792ED9EA20D703DBE93EEFBD76B4416403A2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Racco42
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
456
Origin country :
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ_xlsx.z
Verdict:
Suspicious activity
Analysis date:
2025-01-15 05:24:29 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/f931444b-e982-4cc1-9bba-044823464178

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678662e04487910100dee067
Tags:
underscore shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a4a035c5-292a-4eef-8bcf-839bdef7d898
Result
Threat name:
PureLog Stealer, Snake Keylogger, VIP Ke
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1590703
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1590703 Sample: TEKL#U0130F #U0130STE#U011e... Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 68 13 other signatures 2->68 8 TEKL#U0130F #U0130STE#U011e#U0130 - TUSA#U015e T#U00dcRK HAVACILIK UZAY SANAY#U0130#U0130_xlsx.exe 7 2->8         started        12 xSjByRHuwGV.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 52->64 66 Uses the Telegram API (likely for C&C communication) 54->66 process4 file5 38 C:\Users\user\AppData\...\xSjByRHuwGV.exe, PE32 8->38 dropped 40 C:\Users\...\xSjByRHuwGV.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp24B8.tmp, XML 8->42 dropped 44 TEKL#U0130F #U0130...#U0130_xlsx.exe.log, ASCII 8->44 dropped 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 powershell.exe 23 8->14         started        17 TEKL#U0130F #U0130STE#U011e#U0130 - TUSA#U015e T#U00dcRK HAVACILIK UZAY SANAY#U0130#U0130_xlsx.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        26 2 other processes 8->26 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 22 xSjByRHuwGV.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 checkip.dyndns.com 132.226.247.73, 49713, 49717, 49721 UTMEMUS United States 17->46 48 api.telegram.org 149.154.167.220, 443, 49799, 49836 TELEGRAMRU United Kingdom 17->48 50 reallyfreegeoip.org 104.21.48.1, 443, 49714, 49715 CLOUDFLARENETUS United States 17->50 32 conhost.exe 20->32         started        80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-01-14 07:29:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qahz5q7awfyijjcht2epzsiisqmoxvrbkmorv3ro567nkyrkng2a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250114-qf3f1s1kfj/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/25b68eb2-8269-4982-8190-eaa33dd6930b
Unpacked files
SH256 hash:
7f2c79f37471f89ba3479135b4f243d182896fc871a8cc17849d371051b3f45a
MD5 hash:
c6a154aece299640b8453fb8ab69b926
SHA1 hash:
fafd6c04304441b2ffecccdb5f4f436f34fa8490
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/c9fbd3e4-9858-4408-93fb-8980b95ae037/
SH256 hash:
2859b8700fc6111c40b806d114c43e2e3b4faa536eeab57d604818562905b911
MD5 hash:
7b08debe8d794823e28821fa8f4a0750
SHA1 hash:
5b49ba8c87cd7be7e11950094594e3794a16a79c
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/c9fbd3e4-9858-4408-93fb-8980b95ae037/
Parent samples :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 hash:
3aa7ca05584211acc2467c39553e7a045c6b5ba59ff266127801be4cddbd0cbb
MD5 hash:
35e1b4bc5de79edb713c8692cb4efd38
SHA1 hash:
06e23eedcbfa52850fd10fb7764431a452b90a7e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/c9fbd3e4-9858-4408-93fb-8980b95ae037/
Parent samples :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 hash:
800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4
MD5 hash:
c9c012589d85d3610541a5c7377d5ac9
SHA1 hash:
bc89c09faa26ca0f12ff6fb08d6f8e4129f1a8cc
Link:
https://www.unpac.me/results/c9fbd3e4-9858-4408-93fb-8980b95ae037/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/800f9ec3e0b1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments